• DRAMP ID

    • DRAMP03285
    • Peptide Name

    • Ostricacin-1 (Beta-defensin 2; Birds, animals)
    • Source

    • Struthio camelus (Ostrich)
    • Family

    • Belongs to the beta-defensin family
    • Gene

    • Not found
    • Sequence

    • LFCRKGTCHFGGCPAHLVKVGSCFGFRACCKWPWDV
    • Sequence Length

    • 36
    • Protein Existence

    • Protein level
    • Biological Activity

    • Antimicrobial, Antibacterial, Anti-Gram+, Anti-Gram-
    • Target Organism

      • Gram-positive bacteria: Staphylococcus aureus 1056-MRSA (MIC=1.25 µg/ml), S. aureus NCTC 4163 (MIC=6.7 µg/ml);
      • Gram-negative bacteria: Escherichia coli O157:H7 (MIC=0.96 µg/ml), E. coli 0111 (MIC=6.7 µg/ml).
    • Hemolytic Activity

      • No hemolysis information or data found in the reference(s) presented in this entry
    • Cytotoxicity

    • No cytotoxicity information found in the reference(s) presented
    • Binding Target

    • Not found
    • Linear/Cyclic

    • Cyclic
    • N-terminal Modification

    • Free
    • C-terminal Modification

    • Free
    • Nonterminal Modifications and Unusual Amino Acids

    • Disulfide bonds between Cys3 and Cys29,Cys8 and Cys23,Cys13 and Cys30.
    • Stereochemistry

    • L
    • Structure

    • Not found
    • Structure Description

    • Not found
    • Helical Wheel Diagram

    • DRAMP03285 helical wheel diagram
    • PDB ID

    • None
    • Predicted Structure

    • There is no predicted structure for DRAMP03285.
    • Formula

    • C182H267N51O41S6
    • Absent Amino Acids

    • EIMNQY
    • Common Amino Acids

    • C
    • Mass

    • 4017.8
    • PI

    • 8.94
    • Basic Residues

    • 7
    • Acidic Residues

    • 1
    • Hydrophobic Residues

    • 13
    • Net Charge

    • +6
    • Boman Index

    • -15.96
    • Hydrophobicity

    • 0.303
    • Aliphatic Index

    • 51.39
    • Half Life

      • Mammalian:5.5 hour
      • Yeast:3 min
      • E.coli:2 min
    • Extinction Coefficient Cystines

    • 11375
    • Absorbance 280nm

    • 325
    • Polar Residues

    • 13

DRAMP03285

DRAMP03285 chydropathy plot
    • PTM

    • Contains three disulfide bonds 3-29; 8-23; 13-30.
  • ·Literature 1
    • Title

    • Purification and characterization of the antimicrobial peptide, ostricacin.
    • Reference

    • Biotechnol Lett 2001; 23: 207-210.
    • Author

    • Yu, PL, Choudhury SD, Ahrens K.